/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * SWT StyledText snippet: using BidiSegmentEvent#segmentsChars to implement custom bidi segments
 * 
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.6
 */
import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.graphics.*;

public class Snippet332 {
   
   public static void main(String [] args) {
       final Display display = new Display();
       Shell shell = new Shell(display);
       FillLayout layout = new FillLayout();
       layout.marginHeight = layout.marginWidth = 10;
       shell.setLayout(layout);
       StyledText text = new StyledText(shell, SWT.MULTI | SWT.BORDER);
       final String segment = "Eclipse";
       String string = "Force RTL direction on this segment \""+segment+"\".";
       text.setText(string);
       int[] segments = {string.indexOf(segment), segment.length()};
       StyleRange[] ranges = {new StyleRange(0, 0, display.getSystemColor(SWT.COLOR_RED), null)};
       text.setStyleRanges(segments, ranges);
       text.setFont(new Font(display, "Tahoma", 16, 0));
       text.addBidiSegmentListener(new BidiSegmentListener() {
         public void lineGetSegments(BidiSegmentEvent event) {
            String string = event.lineText;
            int start = string.indexOf(segment);
            event.segments = new int []{start, start + segment.length()};
//            event.data = new char[] {'\u202e', '\u202C'};
         }
      });
       shell.setSize(500, 200);
       shell.open();
       while (!shell.isDisposed()) {
           if (!display.readAndDispatch()) display.sleep();
       }
       display.dispose();
   }
}